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Weather in Phnom Penh for September 2027

Your guide to Phnom Penh weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Phnom Penh at the beginning of September is 32.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.9 °C by the end of September.

    • Rain 🌧️

  • Phnom Penh experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 219.1 mm.

    • More

  • Is September a good time to visit Phnom Penh? check out the best time to travel to Phnom Penh page.

Average dry days
6
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/25°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Phnom Penh Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
32°
2
Light rain
32°
3
Light rain
33°
4
Light rain
33°
5
Moderate or heavy rain shower
33°
6
Light rain
33°
7
Light rain
33°
8
Moderate or heavy rain shower
32°
9
Moderate rain
33°
10
Light rain
30°
11
Light rain
30°
12
Light rain
30°
13
Moderate or heavy rain shower
32°
14
Light rain
31°
15
Light rain shower
32°
16
Light rain
32°
17
Light rain
32°
18
Light rain
31°
19
Light rain
31°
20
Light rain
33°
21
Light rain
31°
22
Heavy rain
29°
23
Moderate rain
31°
24
Light rain
31°
25
Moderate rain
30°
26
Moderate rain
30°
27
Light rain
31°
28
Moderate rain
31°
29
Light rain
33°
30
Light rain
32°

Temperatures trend during September in Phnom Penh

See the weather trend as well as the moving average line

September weather in Phnom Penh day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain
Light rain
 32° /26° 7.1 mm 6
2 Sept. Light rain
Light rain
 32° /26° 9.5 mm 7
3 Sept. Light rain
Light rain
 33° /25° 4.5 mm 6
4 Sept. Light rain
Light rain
 33° /26° 2.8 mm 6
5 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /26° 8 mm 6
6 Sept. Light rain
Light rain
 33° /26° 4.4 mm 7
7 Sept. Light rain
Light rain
 33° /26° 3.9 mm 6
8 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /26° 6 mm 6
9 Sept. Moderate rain
Moderate rain
 33° /25° 10.5 mm 6
10 Sept. Light rain
Light rain
 30° /25° 6.3 mm 6
11 Sept. Light rain
Light rain
 30° /25° 9 mm 6
12 Sept. Light rain
Light rain
 30° /25° 9.4 mm 6
13 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /25° 8.1 mm 6
14 Sept. Light rain
Light rain
 31° /25° 2.9 mm 6
15 Sept. Light rain shower
Light rain shower
 32° /25° 2.3 mm 6
16 Sept. Light rain
Light rain
 32° /25° 3 mm 6
17 Sept. Light rain
Light rain
 32° /25° 4.3 mm 6
18 Sept. Light rain
Light rain
 31° /25° 6.1 mm 6
19 Sept. Light rain
Light rain
 31° /25° 2.7 mm 6
20 Sept. Light rain
Light rain
 33° /25° 5.4 mm 6
21 Sept. Light rain
Light rain
 31° /25° 7.9 mm 6
22 Sept. Heavy rain
Heavy rain
 29° /25° 29.5 mm 6
23 Sept. Moderate rain
Moderate rain
 31° /24° 11.9 mm 6
24 Sept. Light rain
Light rain
 31° /25° 9.1 mm 6
25 Sept. Moderate rain
Moderate rain
 30° /25° 13.3 mm 5
26 Sept. Moderate rain
Moderate rain
 30° /24° 12 mm 6
27 Sept. Light rain
Light rain
 31° /24° 4.6 mm 6
28 Sept. Moderate rain
Moderate rain
 31° /24° 6.2 mm 6
29 Sept. Light rain
Light rain
 33° /25° 3.1 mm 6
30 Sept. Light rain
Light rain
 32° /25° 5.4 mm 6
Next
Important Notice
Our weather forecast for Phnom Penh in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Phnom Penh forecast closer to your planned date for the most up-to-date weather information.
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Phnom Penh in September - FAQ

What are the expected maximum and minimum temperatures in Phnom Penh during September?
During September, expect a variety of temperatures with highs around 31° and lows near 25°, suitable for diverse activities and preferences.

How much rainfall should be expected in Phnom Penh during September?
Significant rainfall exceeding 219.1 mm is expected in Phnom Penh during September, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Phnom Penh during September?
The average wind speed in Phnom Penh during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Phnom Penh

Explore the daily rainfall trends and prepare for Phnom Penhs September weather 💧
Typically, Phnom Penh has 24 rainy days in September with a total of 219.1 mm of rainfall.

UV exposure in Phnom Penh during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Get accurate weather forecasts for Phnom Penh, located at latitude 11.562 and longitude 104.916. Stay updated with localized weather information tailored for Phnom Penh.

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